Kategoria BISAC: Juvenile Nonfiction >> Science & Nature - Earth Sciences - Weather

The science of tree rings--"dendroclimatology"--had not been developed when John Wesley Powell made his epic voyages down the Colorado River in 1869, 1871, and 1872. Nevertheless he observed that the rising and falling of the river differed over the years and came to understand the important role these variations played in the lives of people trying to live in the West.

While Powell was braving the Colorado River's rapids, a tree in southwestern Colorado was putting on rings. In 1869 it was a modest ring. In 1871, the year Powell returned to begin his second trip, the ring was remarkably...

Global warming is one of the most talked about science subjects today.
Maybe you have seen pictures of polar bears or other animals stranded atop floating chunks of melting ice. Perhaps you have heard about or lived through extreme weather--hurricanes, floods, water shortages, heat waves, or electricity blackouts.

Many of these events can stem from the world getting warmer. As that happens, the climate changes, too. This book helps young readers understand the sciences used to study global warming.

Each chapter addresses specific questions about why the temperatures of the earth's...

Snow is falling. Snow is wonderful - for sledding, for skiing, and for building snowmen. But did you know that snow can actually keep things warm? Find out how snow helpf plants, animals, and people to survive. But when a blizzard blows, watch out The snow that is so useful can be dangerous too.

Franklyn M. Branley and Holly Keller team up for a fun and colorful exploration of the world of snow, including experiments and activities for cold winter days. A Let's Read and Find Out Science book, for Stage 1.

INSIDE A HURRICANE took thousands of kids inside the eye of a hurricane. MAGIC SCHOOL BUS PRESENTS WILD WEATHER will expand upon the original title with fresh, updated Common Core-aligned content about incredible weather events. With vivid full-color photographs on each page and illustrations of the beloved Ms. Frizzle and her students, the Magic School Bus Presents series will enthrall a whole new generation of Magic School Bus...

The official start of the harvest season, it occurs around September 21 each year. It marks the end of summer and the beginning of longer nights and shorter days. For many cultures around the world, the fall equinox represents a time to celebrate the harvest and begin collecting and storing crops.

Looking at both the science of weather and the history of how the fall equinox has been celebrated by various cultures throughout the world, this book will inspire a new understanding of autumn and the harvest season.

Science activities, ideas for...